BugHotel Reservation System is a hotel booking and
accounting software package which uses the
Internet to "network" your corporate office to
each of your hotels. All data processing occurs at
the Application Service Provider (ASP) data
center. Income statements, reports, etc. may be
customized.

The Horde Application Framework is a modular, general-purpose Web application framework. It provides an extensive array of classes that are targeted at the common problems and tasks involved in developing modern Web applications.

Ctalk adds classes, methods, operator overloading,
inheritance, and complex object expressions to otherwise standard C programs. Programs can use only a few Ctalk objects and methods in an otherwise standard C program, but the language can be used to write entire programs also. Ctalk works on most if not all of the systems that support GCC, the GNU C compiler. The package includes the language, class and run-time libraries, example programs, tutorial, and language reference.

Turba is the Horde contact management application. It is a production level address book, and makes heavy use of the Horde framework to provide integration with IMP and other Horde applications. It supports SQL, LDAP, Kolab, and IMSP address books.

Nag is a Web-based application built upon the Horde Application Framework that provides a simple, clean interface for managing online task lists (i.e. TODO lists). It includes strong integration with the other Horde applications and offers shared task lists.

Mnemo Note Manager is the Horde notes/memos application. It provides Web-based notes and freeform text in a way similar to the PalmOS Note application and shared notepads. It requires the Horde Application Framework and a SQL database for backend storage.

XWiki is a WikiWiki clone written in Java that supports many popular features of other Wikis like the Wiki syntax, version control, attachments, security, and searching, but also many advanced features like templates, database and dynamic development using scripting languages (Velocity, Groovy, Ruby, Python, PHP, and more), an extension system and skinability, J2EE scalability, an XML/RPC remote API, statistics, RSS feeds, PDF exporting, WYSIWYG editing, an Office viewer and importer, and a lot more.